Cita APA (7th ed.)

Barlow, D. (2011). Sexually transmitted infections (3rd ed.). Oxford University Press.

Cita Chicago (17th ed.)

Barlow, David. Sexually Transmitted Infections. 3rd ed. Oxford ; New York: Oxford University Press, 2011.

Cita MLA (9th ed.)

Barlow, David. Sexually Transmitted Infections. 3rd ed. Oxford University Press, 2011.